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all: add read-only option to database (#22407)

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* all: add read-only option to database

* all: fixes tests

* cmd/geth: migrate flags

* cmd/geth: fix the compact

* cmd/geth: fix the format

* cmd/geth: fix log

* cmd: add chain-readonly

* core: add readonly notion to freezer

* core/rawdb: add log

* core/rawdb: fix freezer close

* cmd: fix

* cmd, core: construct db

* core: update tests
This commit is contained in:
gary rong
2021-03-23 02:06:30 +08:00
committed by GitHub
parent aab35600bc
commit 0c70b83e00
26 changed files with 267 additions and 192 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
core/state/pruner/pruner.go
View File

@ -85,8 +85,12 @@ type Pruner struct {
}
// NewPruner creates the pruner instance.
func NewPruner(db ethdb.Database, headHeader *types.Header, datadir, trieCachePath string, bloomSize uint64) (*Pruner, error) {
snaptree, err := snapshot.New(db, trie.NewDatabase(db), 256, headHeader.Root, false, false, false)
func NewPruner(db ethdb.Database, datadir, trieCachePath string, bloomSize uint64) (*Pruner, error) {
headBlock := rawdb.ReadHeadBlock(db)
if headBlock == nil {
return nil, errors.New("Failed to load head block")
}
snaptree, err := snapshot.New(db, trie.NewDatabase(db), 256, headBlock.Root(), false, false, false)
if err != nil {
return nil, err // The relevant snapshot(s) might not exist
}
@ -104,7 +108,7 @@ func NewPruner(db ethdb.Database, headHeader *types.Header, datadir, trieCachePa
stateBloom: stateBloom,
datadir: datadir,
trieCachePath: trieCachePath,
headHeader: headHeader,
headHeader: headBlock.Header(),
snaptree: snaptree,
}, nil
}
@ -350,9 +354,9 @@ func RecoverPruning(datadir string, db ethdb.Database, trieCachePath string) err
if stateBloomPath == "" {
return nil // nothing to recover
}
headHeader, err := getHeadHeader(db)
if err != nil {
return err
headBlock := rawdb.ReadHeadBlock(db)
if headBlock == nil {
return errors.New("Failed to load head block")
}
// Initialize the snapshot tree in recovery mode to handle this special case:
// - Users run the `prune-state` command multiple times
@ -362,7 +366,7 @@ func RecoverPruning(datadir string, db ethdb.Database, trieCachePath string) err
// - The state HEAD is rewound already because of multiple incomplete `prune-state`
// In this case, even the state HEAD is not exactly matched with snapshot, it
// still feasible to recover the pruning correctly.
snaptree, err := snapshot.New(db, trie.NewDatabase(db), 256, headHeader.Root, false, false, true)
snaptree, err := snapshot.New(db, trie.NewDatabase(db), 256, headBlock.Root(), false, false, true)
if err != nil {
return err // The relevant snapshot(s) might not exist
}
@ -382,7 +386,7 @@ func RecoverPruning(datadir string, db ethdb.Database, trieCachePath string) err
// otherwise the dangling state will be left.
var (
found bool
layers = snaptree.Snapshots(headHeader.Root, 128, true)
layers = snaptree.Snapshots(headBlock.Root(), 128, true)
middleRoots = make(map[common.Hash]struct{})
)
for _, layer := range layers {
@ -506,22 +510,6 @@ func findBloomFilter(datadir string) (string, common.Hash, error) {
return stateBloomPath, stateBloomRoot, nil
}
func getHeadHeader(db ethdb.Database) (*types.Header, error) {
headHeaderHash := rawdb.ReadHeadBlockHash(db)
if headHeaderHash == (common.Hash{}) {
return nil, errors.New("empty head block hash")
}
headHeaderNumber := rawdb.ReadHeaderNumber(db, headHeaderHash)
if headHeaderNumber == nil {
return nil, errors.New("empty head block number")
}
headHeader := rawdb.ReadHeader(db, headHeaderHash, *headHeaderNumber)
if headHeader == nil {
return nil, errors.New("empty head header")
}
return headHeader, nil
}
const warningLog = `
WARNING!

2
core/state/snapshot/disklayer_test.go
View File

@ -524,7 +524,7 @@ func TestDiskSeek(t *testing.T) {
t.Fatal(err)
} else {
defer os.RemoveAll(dir)
diskdb, err := leveldb.New(dir, 256, 0, "")
diskdb, err := leveldb.New(dir, 256, 0, "", false)
if err != nil {
t.Fatal(err)
}